Create app.py

app.py

@@ -0,0 +1,227 @@
+import pandas as pd
+import streamlit as st
+import matplotlib.pyplot as plt
+import matplotlib.font_manager as font_manager
+import io
+import base64
+import os
+from datetime import datetime, timedelta
+import math
+from matplotlib.patches import FancyBboxPatch
+from pypinyin import lazy_pinyin, Style
+from matplotlib.backends.backend_pdf import PdfPages
+
+def get_font(size=14):
+    font_path = "simHei.ttc"
+    if not os.path.exists(font_path):
+        font_path = "SimHei.ttf"
+    return font_manager.FontProperties(fname=font_path, size=size)
+
+def get_pinyin_abbr(text):
+    """获取文本前两个汉字的拼音首字母"""
+    if not text:
+        return ""
+    # 提取前两个汉字
+    chars = [c for c in text if '\u4e00' <= c <= '\u9fff']
+    if len(chars) < 2:
+        chars = chars + [''] * (2 - len(chars))
+    else:
+        chars = chars[:2]
+    # 获取拼音首字母
+    pinyin_list = lazy_pinyin(chars, style=Style.FIRST_LETTER)
+    return ''.join(pinyin_list).upper()
+
+def process_schedule(file):
+    try:
+        date_df = pd.read_excel(file, header=None, skiprows=7, nrows=1, usecols=[3])
+        date_str = pd.to_datetime(date_df.iloc[0, 0]).strftime('%Y-%m-%d')
+        base_date = pd.to_datetime(date_str).date()
+    except:
+        date_str = datetime.today().strftime('%Y-%m-%d')
+        base_date = datetime.today().date()
+    
+    try:
+        df = pd.read_excel(file, header=9, usecols=[1, 2, 4, 5])
+        df.columns = ['Hall', 'StartTime', 'EndTime', 'Movie']
+        df['Hall'] = df['Hall'].ffill()
+        df.dropna(subset=['StartTime', 'EndTime', 'Movie'], inplace=True)
+        df['Hall'] = df['Hall'].astype(str).str.extract(r'(\d+号)')
+        df['StartTime_dt'] = pd.to_datetime(df['StartTime'], format='%H:%M', errors='coerce').apply(
+            lambda t: t.replace(year=base_date.year, month=base_date.month, day=base_date.day) if pd.notnull(t) else t
+        )
+        df['EndTime_dt'] = pd.to_datetime(df['EndTime'], format='%H:%M', errors='coerce').apply(
+            lambda t: t.replace(year=base_date.year, month=base_date.month, day=base_date.day) if pd.notnull(t) else t
+        )
+        df.loc[df['EndTime_dt'] < df['StartTime_dt'], 'EndTime_dt'] += timedelta(days=1)
+        df = df.sort_values(['Hall', 'StartTime_dt'])
+        
+        merged_rows = []
+        for hall, group in df.groupby('Hall'):
+            group = group.sort_values('StartTime_dt')
+            current = None
+            for _, row in group.iterrows():
+                if current is None:
+                    current = row.copy()
+                else:
+                    if row['Movie'] == current['Movie']:
+                        current['EndTime_dt'] = row['EndTime_dt']
+                    else:
+                        merged_rows.append(current)
+                        current = row.copy()
+            if current is not None:
+                merged_rows.append(current)
+        
+        merged_df = pd.DataFrame(merged_rows)
+        
+        # 将开始时间统一提前10分钟，结束时间统一提前5分钟
+        merged_df['StartTime_dt'] = merged_df['StartTime_dt'] - timedelta(minutes=10)
+        merged_df['EndTime_dt'] = merged_df['EndTime_dt'] - timedelta(minutes=5)
+        
+        merged_df['StartTime_str'] = merged_df['StartTime_dt'].dt.strftime('%H:%M')
+        merged_df['EndTime_str'] = merged_df['EndTime_dt'].dt.strftime('%H:%M')
+        
+        return merged_df[['Hall', 'Movie', 'StartTime_str', 'EndTime_str']], date_str
+    except:
+        return None, date_str
+
+def create_print_layout(data, date_str):
+    if data is None or data.empty:
+        return None
+    
+    # 创建PNG图像
+    png_fig = plt.figure(figsize=(8.27, 11.69), dpi=300)
+    png_ax = png_fig.add_subplot(111)
+    png_ax.set_axis_off()
+    
+    # 创建PDF图像 - 使用A4纸张大小 (210mm x 297mm)
+    # 增加图形大小以最大化利用A4纸张空间
+    pdf_fig = plt.figure(figsize=(8.27, 11.69), dpi=300)
+    pdf_ax = pdf_fig.add_subplot(111)
+    pdf_ax.set_axis_off()
+    
+    # 为PDF设置更小的边距
+    pdf_fig.subplots_adjust(left=0.02, right=0.98, top=0.98, bottom=0.02)
+    
+    # 处理两个图形的共同函数
+    def process_figure(fig, ax, is_pdf=False):
+        # Pre-load fonts
+        date_font = get_font(12)
+        # PDF版本使用稍大的字体
+        font_size_multiplier = 1.1 if is_pdf else 1.0
+        movie_font_size = 14 * font_size_multiplier
+        hall_font_size = movie_font_size * 0.8
+        hall_font = get_font(hall_font_size)
+        movie_font = get_font(movie_font_size)
+        
+        ax.text(0.00, 1.00, date_str, fontsize=12 * font_size_multiplier, color='#A9A9A9',
+                ha='left', va='top', fontproperties=date_font, transform=ax.transAxes, zorder=2)
+        
+        halls = sorted(data['Hall'].unique(), key=lambda h: int(h.replace('号','')) if h else 0)
+        
+        total_lines = sum(len(data[data['Hall'] == hall]) for hall in halls) + (len(halls) - 1)
+        available_height = 0.98 - 0.05
+        line_spacing = available_height / total_lines if total_lines > 0 else 0.04
+        y_position = 0.98
+        
+        for hall in halls:
+            hall_data = data[data['Hall'] == hall]
+            y_block_top = y_position
+            hall_num = hall.replace("号", "")
+            hall_text = f"${hall_num}^{{\\#}}$"
+            movie_count = 1
+            
+            for _, row in hall_data.iterrows():
+                ax.text(0.03, y_position, hall_text if movie_count == 1 else "",
+                        fontsize=hall_font_size, fontweight='bold',
+                        ha='left', va='top', fontproperties=hall_font,
+                        transform=ax.transAxes, zorder=2)
+                
+                # 获取电影名前两个字的拼音首字母
+                pinyin_abbr = get_pinyin_abbr(row['Movie'])
+                
+                # 电影名称左对齐，限制在0.2到0.6的区域内
+                ax.text(0.20, y_position, f"{movie_count}. {pinyin_abbr} {row['Movie']}",
+                        fontsize=movie_font_size, ha='left', va='top', fontproperties=movie_font,
+                        transform=ax.transAxes, zorder=2, clip_on=True,
+                        bbox=dict(boxstyle="square,pad=0.0", fc="none", ec="none", alpha=0))
+                
+                # 时间信息右对齐，固定在0.95位置
+                ax.text(0.95, y_position, f"{row['StartTime_str']} - {row['EndTime_str']}",
+                        fontsize=movie_font_size, ha='right', va='top', fontproperties=movie_font,
+                        transform=ax.transAxes, zorder=2)
+                
+                y_position -= line_spacing
+                movie_count += 1
+            
+            y_block_bottom = y_position
+            y_position -= line_spacing
+            rect = FancyBboxPatch((0.03, y_block_bottom), 0.94, y_block_top - y_block_bottom,
+                                boxstyle="round,pad=0.005,rounding_size=0.005",
+                                edgecolor='gray', facecolor='white',
+                                linewidth=0.8, zorder=1, transform=ax.transAxes)
+            ax.add_patch(rect)
+    
+    # 处理PNG图形
+    process_figure(png_fig, png_ax)
+    
+    # 处理PDF图形
+    process_figure(pdf_fig, pdf_ax, is_pdf=True)
+    
+    # 保存PNG图像
+    png_buffer = io.BytesIO()
+    png_fig.savefig(png_buffer, format='png', bbox_inches='tight', pad_inches=0.1)
+    png_buffer.seek(0)
+    image_base64 = base64.b64encode(png_buffer.getvalue()).decode()
+    plt.close(png_fig)
+    
+    # 保存PDF文件 - 使用最小边距
+    pdf_buffer = io.BytesIO()
+    with PdfPages(pdf_buffer) as pdf:
+        pdf.savefig(pdf_fig, bbox_inches='tight', pad_inches=0.05)
+    pdf_buffer.seek(0)
+    pdf_base64 = base64.b64encode(pdf_buffer.getvalue()).decode()
+    plt.close(pdf_fig)
+    
+    return {
+        'png': f"data:image/png;base64,{image_base64}",
+        'pdf': f"data:application/pdf;base64,{pdf_base64}"
+    }
+
+def display_pdf(base64_pdf):
+    # 在Streamlit中显示PDF
+    pdf_display = f"""
+    <iframe src="{base64_pdf}" width="100%" height="800" type="application/pdf"></iframe>
+    """
+    return pdf_display
+
+def get_download_link(base64_data, file_type, filename):
+    # 创建下载链接
+    href = f'<a href="{base64_data}" download="{filename}">下载{file_type}文件</a>'
+    return href
+
+st.set_page_config(page_title="LED 屏幕时间表打印", layout="wide")
+st.title("LED 屏幕时间表打印")
+
+uploaded_file = st.file_uploader("选择打开【放映时间核对表.xls】文件", type=["xls", "xlsx"])
+
+if uploaded_file:
+    with st.spinner("正在处理中，请稍候..."):
+        schedule, date_str = process_schedule(uploaded_file)
+        if schedule is not None:
+            output = create_print_layout(schedule, date_str)
+            
+            # 创建选项卡以切换PNG和PDF视图
+            tab1, tab2 = st.tabs(["PNG预览", "PDF预览"])
+            
+            with tab1:
+                st.image(output['png'], use_container_width=True)
+                st.markdown(get_download_link(output['png'], "PNG", f"LED屏幕时间表_{date_str}.png"), unsafe_allow_html=True)
+            
+            with tab2:
+                st.markdown(display_pdf(output['pdf']), unsafe_allow_html=True)
+                st.markdown(get_download_link(output['pdf'], "PDF", f"LED屏幕时间表_{date_str}.pdf"), unsafe_allow_html=True)
+        else:
+            st.error("无法处理文件，请检查文件格式或内容是否正确。")
+
+
+